In a typical Wheatstone network, the resistances in cyclic order are A = 10 Ω, B = 5 Ω, C = 4 Ω and D = 4 Ω for the bridge to be balanced

(1) 10 Ω should be connected in parallel with A

(2) 10 Ω should be connected in series with A

(3) 5 Ω should be connected in series with B

(4) 5 Ω should be connected in parallel with B

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

In the circuit shown in figure, the current drawn from the battery is 4A. If 10 Ω resistor is replaced by 20 Ω resistor, then current drawn from the circuit will be

(1) 1 A

(2) 2 A

(3) 3 A

(4) 0 A

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The equivalent resistance between P and Q in the given figure, is

(1) 50 Ω

(2) 40 Ω

(3) 30 Ω

(4) 20 Ω

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

If each of the resistance of the network shown in the figure is R, the equivalent resistance between A and B is

(1) 5 R

(2) 3 R

(3) R

(4) R/2

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The equivalent resistance of the following diagram A and B is

(1) $\frac{2}{3}\Omega$

(2) 9 Ω

(3) 6 Ω

(4) None of these

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Thirteen resistances each of resistance R ohm are connected in the circuit as shown in the figure below. The effective resistance between A and B is

(1) 2R Ω

(2) $\frac{4R}{3}\text{\hspace{0.17em}\hspace{0.17em}}\Omega$

(3) $\frac{2\text{\hspace{0.17em}}R}{3}\text{\hspace{0.17em}\hspace{0.17em}}\Omega$

(4) R Ω

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

For what value of unknown resistance X, the potential difference between B and D will be zero in the circuit shown in the figure

(1) 4 Ω

(2) 6 Ω

(3) 2 Ω

(4) 5 Ω

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Which arrangement of four identical resistances should be used to draw maximum energy from a cell of voltage V

(1)

(2)

(3)

(4)

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

An unknown resistance R1 is connected in series with a resistance of 10 Ω. This combinations is connected to one gap of a metre bridge while a resistance R2 is connected in the other gap. The balance point is at 50 cm. Now, when the 10 Ω resistance is removed the balance point shifts to 40 cm. The value of R1 is (in ohm

(1) 60

(2) 40

(3) 20

(4) 10

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

A wire has a resistance of 6 Ω. It is cut into two parts and both half values are connected in parallel. The new resistance is :

(1) 12 Ω

(2) 1.5 Ω

(3) 3 Ω

(4) 6 Ω

Concept Questions :-

Combination of resistors